This product is light yellow crystalline powder, melting point 216-220 ° C (chlorobenzene recrystallization). Melting point 218 ~ 219 ℃. With water in any proportion immiscibility. Resistant to hard water, acid and alkali. With it after the fabric of light fastness, chlorine bleach, wash fastness is better. Insoluble in water. Soluble in organic solvents and concentrated acid, with a bright blue fluorescence, The maximum absorption wavelength was 367 nm (DMF); The maximum emission wavelength was 429 nm.

Use:

Mainly used in commercial brightener EB, can also be used for various types of polyolefin plastic, BS engineering plastics, glass and others’ whitening.